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Fully Isolated RS-232/RS-485 Converters

Item# DCP-485-P

Fully Isolated RS-232/RS-485 Converters Fully Isolated RS-232/RS-485 Converters

Description

The DCP-485 is a compact RS-232- to-RS-485 converter which features a complete electrical isolation barrier and heavy duty electrical surge protectors. These devices feature a DIN rail mountable enclosure, for application to a junction box, a panel, a relay rack, the side of your computer, or anywhere a DIN rail can be mounted. Isolation is provided by optical couplers and a transformer-isolated dc-to-dc converter. The RS-232 connection is made through male or female EIA 9-pin D sub connectors, or a 3-wire RS-232 connection can be made through convenient pluggable screw terminals. The RS-485 connections are made through convenient pluggable solderless screw terminals. The DCP-485 series is designed for full duplex operation over two-wire pairs. Outputs are tri-state, allowing multidropping of up to 32 units. Data rates are up to 115.2 K bits per second (baud). Four diagnostic LED indicators are provided for installation guidance and system troubleshooting. The RS-232 interface includes Request To Send (RTS) and Data Terminal Ready (DTR), either of which can be used via a DIP switch to enable the RS-485 transmitter. Alternately, the DCP-485 offers automatic line switching: the RS-485 transmitter is enabled automatically by each character sent on the RS-232 Transmit Data (TD) line. Additionally, the RS-485 transmitter and receiver can be independently enabled continuously or under RS-232 control. A convenient null modem switch is provided for the data lines. Also, line termination switches independently connect line termination and line bias resistors to the RS-485 lines. The units are powered from wide-range voltages of +10 to +30 Vdc through pluggable solderless screw terminals.
DCP-485-P
  • 1500 VRMS Isolation with Optical Couplers and Power dc-to-dc Converter (6,000 Vdc, 1 min)
  • Industrial Surge Protection Devices and 15 KV ESD Protected RS-232 Inherent
  • Four LED Diagnostic Indicators
  • 115.2 K BPS (BAUD) at 0.8 mile (1.3 km), 38.4 K BPS (BAUD) at 1 mile (1.6 km)
  • RTS, DTR, or Auto RS-485 Transmitter Control
  • Tri-State Outputs for Multidrop Applications, up to 32 Devices
  • Pluggable Solderless Screw Terminal Field Connections
  • Easily Mounts on Standard DIN Rail
  • 2-Wire or 4-Wire RS-485
Number of Input
Input Type
Output Type
Connection Type
Other Features
Quantity Price each
1-9 $310.00
10-24 $294.50
25-49 $288.30
50-99 $275.90
100-199 $269.70
200+ $263.50

In stock

Lead Time ( If not in Stock): 6 weeks

Product Specs

  • Impedance (1) TD = Transmit Data
  • Baud Rate 115.2 K BPS (BAUD) at 0.8 mile (1.3 km)
  • Indicator Four LED Diagnostic Indicators
  • Maximum Ambient Humidity 95 % RH non-condensing
  • Maximum Ambient Temperature 60 {C} (140 {F})
  • Maximum Transmission Distance 0.8
  • Maximum Storage Temperature 70 {C} (158 {F})
  • Minimum Ambient Humidity 0% RH
  • Minimum Ambient Temperature 0 {C} ( 32 {F})
  • MTBF (2) >100
  • Minimum Storage Temperature 0 {C} ( 32 {F})

Description

The DCP-485 is a compact RS-232- to-RS-485 converter which features a complete electrical isolation barrier and heavy duty electrical surge protectors. These devices feature a DIN rail mountable enclosure, for application to a junction box, a panel, a relay rack, the side of your computer, or anywhere a DIN rail can be mounted. Isolation is provided by optical couplers and a transformer-isolated dc-to-dc converter. The RS-232 connection is made through male or female EIA 9-pin D sub connectors, or a 3-wire RS-232 connection can be made through convenient pluggable screw terminals. The RS-485 connections are made through convenient pluggable solderless screw terminals. The DCP-485 series is designed for full duplex operation over two-wire pairs. Outputs are tri-state, allowing multidropping of up to 32 units. Data rates are up to 115.2 K bits per second (baud). Four diagnostic LED indicators are provided for installation guidance and system troubleshooting. The RS-232 interface includes Request To Send (RTS) and Data Terminal Ready (DTR), either of which can be used via a DIP switch to enable the RS-485 transmitter. Alternately, the DCP-485 offers automatic line switching: the RS-485 transmitter is enabled automatically by each character sent on the RS-232 Transmit Data (TD) line. Additionally, the RS-485 transmitter and receiver can be independently enabled continuously or under RS-232 control. A convenient null modem switch is provided for the data lines. Also, line termination switches independently connect line termination and line bias resistors to the RS-485 lines. The units are powered from wide-range voltages of +10 to +30 Vdc through pluggable solderless screw terminals.

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